The Spare Under the Mat
I asked the outsourced firm running Boxhub's engineering for access to my own company's systems. They said yes, did nothing, and eventually deleted everything one night, never knowing we had already moved.
From bare metal to artificial intelligence
I'm Bryan McEire, CTO at BoxHub. Positronia is where I think in public about systems programming, Lisp, operating systems, hardware, and the pragmatic adoption of AI.
Long-form, hands-on, and built to last.
The Index 10 pieces
Building a REPL OS in Common Lisp
An eight-part series that builds a toy operating system inside a Common Lisp REPL: from a bare read-eval-print loop to a command system, threads, a virtual filesystem, persistence, and mounts.
- 00 Why?
- 01 The Foundation
- 02 The Command System
- 03 Threading
- 04 The Virtual Filesystem
- 05 Persistence
- 06 Mounts
- 07 Unified Filesystem
The Rise and Fall of Lisp Machines
Fewer than 7,000 Lisp machines were ever sold, but they commercially pioneered garbage collection, object-oriented programming, interactive development, and the free software movement. Here is what happened to them.